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Dumbarton Bridge, San Francisco Bay National Wildlife Refuge, Coyote Hills Park
Code Number:
CSBV01P09_04BB
Title:
Dumbarton Bridge, San Francisco Bay National Wildlife Refuge, Coyote Hills Park
The original bridge was built by the Dumbarton Bridge Company for $2.5 million, and was opened in January 1927. By the 1970's this bridge could no longer hold the volume of traffic and a new bridge needed to be financed and constructed. The present new Dumbarton Bridge was completed in 1984 at a cost of $74 million. This bridge is 2621.9 meters (8,600 feet) long, and has a vertical clearance of 85 feet. The structure uses a steel box girder and pre-stressed concrete construction method. It connects San Mateo and Alameda Counties, at the southern end of the San Francisco Bay, and rests between Newark on the east shore and Menlo Park on the west.
Keywords:
Bridge, Crossing, Span, Electrical Power Distribution, Electricity, Technology, Wires, Transmission Poles, Power Grid, Powerpole, Utility Pole, Industry, SF-Bay Area, California, Architecture, Travel, Scenics, Structure, American, USA
Image by:
Wernher Krutein

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